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TOP secret!
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crypto
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Dreamhack
20์ฝ”์ธ
Base64 Encoder
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pwnable
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Dreamhack
20์ฝ”์ธ
Bookwish
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web
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Dreamhack
20์ฝ”์ธ
Crossing
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reversing
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Dreamhack
20์ฝ”์ธ

๋žญํ‚น

300 ๋ช…์ด ์ฐธ์—ฌ ์ค‘์ž…๋‹ˆ๋‹ค.
Last updated: 2026.01.13. 08:54:46
์ˆœ์œ„ ์ ์ˆ˜ ์‚ฌ์šฉ์ž
1์œ„ 1321 pts
๊ฟˆ๋‚˜๋ผ์—ญ1๋ฒˆ์ถœ๊ตฌ
2์œ„ 1321 pts
AngGimotti
3์œ„ 1321 pts
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๋ช…์šฑ
4์œ„ 1321 pts
avatar
์„์ •์›_
5์œ„ 1321 pts
avatar
๋‹น๊ทผ๋งˆ์ผ“
6์œ„ 1321 pts
avatar
๋€จ๊พธ๋€จ๋€จ๊พธ
7์œ„ 1321 pts
avatar
๋น„์˜จ๋ฐ์ด
8์œ„ 1321 pts
zerobean
9์œ„ 1321 pts
avatar
Axii
10์œ„ 1321 pts
avatar
hojune02
11์œ„ 1321 pts
gkljasoickl
12์œ„ 1321 pts
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zennis kayy
13์œ„ 1321 pts
Y_H
14์œ„ 1321 pts
ols
15์œ„ 1321 pts
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mang0

๊ฒฐ๊ณผ

์‚ฌ์šฉ์ž
LP
๋ณ€๋™๋œ ํ‹ฐ์–ด
๊ฟˆ๋‚˜๋ผ์—ญ1๋ฒˆ์ถœ๊ตฌ
1530
177
Gold III
AngGimotti
1624
317
Gold II
avatar
๋ช…์šฑ
1842
150
Platinum III
avatar
์„์ •์›_
1578
170
Gold III
avatar
๋‹น๊ทผ๋งˆ์ผ“
1921
298
Platinum II
avatar
๋€จ๊พธ๋€จ๋€จ๊พธ
1710
149
Gold I
avatar
๋น„์˜จ๋ฐ์ด
1599
Gold III
zerobean
1783
114
Gold I
avatar
Axii
1392
283
Silver II
avatar
hojune02
1585
-15
Gold III
gkljasoickl
1581
Gold III
avatar
zennis kayy
1473
71
Silver I
Y_H
1746
105
Gold I
ols
1636
193
Gold II
avatar
mang0
1565
Gold III
avatar
RTV
1672
111
Gold II
avatar
hinoohshi
1356
81
Silver II
avatar
r2tr1ever
1553
Gold III
zu
1372
77
Silver II
์กธ๋ฆฌ๋ฒ ๋ฒ ENT
1546
Gold III
avatar
100050
1695
83
Gold II
avatar
์—ฐ์–ด์ดˆ๋ฐฅ
1466
200
Silver I
avatar
eversinc33
1535
451
Gold III
avatar
M200is
1657
83
Gold II
avatar
Unbbal
1578
84
Gold III
MountainRose
1689
241
Gold II
avatar
HeatMan
1491
88
Silver I
์œค์„ฑํ™˜
1519
393
Gold III
Zer0_
1397
108
Silver II
avatar
paeyz
1345
104
Silver II
Season 7
Dreamhack CTF Season 7 Round #16 (๐ŸŒฑDiv2)
์ผ์‹œ
2025.08.30. 09:00:00
~ 2025.08.31. 23:59:59
318
๋ช… ์ฐธ์—ฌํ•จ
CTF ๊ฐœ์ตœ
Dreamhack
์ง„ํ–‰์‹œ๊ฐ„
2์ผ
ํŒ€ ๊ทœ๋ชจ
๊ฐœ์ธ
๊ฐœ์š”

Dreamhack CTF๋Š” ์ •๊ธฐ์ ์œผ๋กœ ๊ฐœ์ตœ๋˜๋Š” ๋Œ€ํšŒ์ž…๋‹ˆ๋‹ค.
๋ฌธ์˜

๊ทœ์น™
  1. CTF ์ฐธ๊ฐ€์ž ๊ฐ„์˜ ์ •๋‹ต ๊ณต์œ  ๋ฐ ํ’€์ด ๊ณผ์ • ๊ณต์œ ๋Š” ์—„๊ฒฉํžˆ ๊ธˆ์ง€๋˜์–ด ์žˆ์œผ๋ฉฐ, ์‹ค๊ฒฉ์˜ ๋Œ€์ƒ์ด ๋  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
  2. CTF ์ฐธ์—ฌ์ž๋Š” ๋ฐ˜๋“œ์‹œ ๊ณต๊ฒฉ ๋Œ€์ƒ์œผ๋กœ ์ •ํ•ด์ง„ ์„œ๋ฒ„๋งŒ์„ ์ ‘์†ํ•˜๊ณ  ๊ณต๊ฒฉํ•ด์•ผ ํ•ฉ๋‹ˆ๋‹ค.
  3. Dreamhack์„ ํฌํ•จํ•œ CTF ์„œ๋ฒ„ ์šด์˜์— ์˜ํ–ฅ์„ ๋ฏธ์น˜๋Š” ํ–‰์œ„ ํ˜น์€ ์›ํ™œํ•œ ์ง„ํ–‰์— ๋ฐฉํ•ด๊ฐ€ ๋  ์ˆ˜ ์žˆ๋Š” ํ–‰๋™ ๋ฐ ์‹œ๋„ ๋˜ํ•œ ์‹ค๊ฒฉ์˜ ๋Œ€์ƒ์ด ๋  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
  4. ๋Œ€ํšŒ๊ฐ€ ์ง„ํ–‰๋˜๋Š” ๋™์•ˆ ๋ฌธ์ œ ํŒŒ์ผ์„ ๋‹ค๋ฅธ ์‚ฌ๋žŒ๊ณผ ๊ณต์œ ํ•˜๋ฉด ์•ˆ๋ฉ๋‹ˆ๋‹ค.
๋ณด์ƒ
  • ๋“œ๋ฆผํ•ต ๋ณด์กฐ ๋ฐฐํ„ฐ๋ฆฌ
    • ์ƒ์œ„ 1๋ช…
    • ์ถ”์ฒจ 4๋ช… (์ตœ์†Œ ํ•œ ๋ฌธ์ œ ์ด์ƒ ํ•ด๊ฒฐํ•œ ์‚ฌ๋žŒ)
์ฑ„์ 

๊ฐ ๋ฌธ์ œ์˜ ์ ์ˆ˜๋Š” ํ’€์ด์ž ์ˆ˜์— ๋”ฐ๋ผ ์กฐ์ •๋ฉ๋‹ˆ๋‹ค.

ํ”Œ๋ž˜๊ทธ ํ˜•์‹

ํ”Œ๋ž˜๊ทธ์˜ ํ˜•์‹์€ DH{...}์ž…๋‹ˆ๋‹ค.

ํ”Œ๋ž˜๊ทธ ์ œ์ถœ ์ œํ•œ
๋ฌธ์ œ๋‹น 30์ดˆ๋งˆ๋‹ค ํ•œ ๋ฒˆ์”ฉ Flag๋ฅผ ์ œ์ถœ ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.